Lemma 2.2 ([1]})  
The Laplace transform of the three-parameter Mittag-Leffler function is given by
\({L}\left\lbrace t^{\beta -1}E_{\alpha ,\beta }^{\gamma }(\lambda t^{\alpha })\right\rbrace (s)=s^{-\beta }\left(1-\lambda s^{-\alpha }\right)^{-\gamma },\) 
